[IMP] Supplier --> Vendor. American English

addons/account/__openerp__.py

addons/account_voucher/__openerp__.py

addons/crm/__openerp__.py

addons/crm/res_config.py

addons/crm_claim/__openerp__.py

addons/fleet/fleet.py

addons/inter_company_rules/__openerp__.py

addons/l10n_be_intrastat/l10n_be_intrastat.py

addons/l10n_ca/__openerp__.py

addons/lunch/__openerp__.py

addons/product/__openerp__.py

addons/product/pricelist.py

addons/product/product.py

addons/product_margin/product_margin.py

addons/purchase/__openerp__.py

addons/purchase/company.py

addons/purchase/partner.py

addons/purchase/purchase.py

addons/purchase/res_config.py

addons/purchase_analytic_plans/__openerp__.py